Full-automatic excavator chassis and rotating wheel welding device

Abstract

The invention discloses a full-automatic excavator chassis and rotating wheel welding device, and belongs to the technical field of welding, the full-automatic excavator chassis and rotating wheel welding device comprises a bottom plate, the lower end of the bottom plate is provided with supporting legs, the upper end of the bottom plate is provided with a welding workpiece positioning mechanism, and the side edge of the bottom plate is provided with a side protection mechanism; the welding workpiece positioning mechanism comprises a rotating wheel positioning assembly, an excavator chassis positioning assembly, a first bidirectional lead screw, a mounting plate, a first motor and first nut blocks, the first motor is arranged on the side edge of the bottom plate, the first bidirectional lead screw is arranged at the output end of the first motor, and two sets of first nut blocks are symmetrically arranged on the surface of the first bidirectional lead screw. By arranging the welding workpiece positioning mechanism, the excavator chassis and the rotating wheel can be conveniently positioned and fixed by the mechanism, so that the excavator chassis and the rotating wheel can be conveniently welded by the welding device, and in addition, the distance between the two groups of mounting plates can be adjusted by the mechanism, so that the welding device can adapt to welding of workpieces with different sizes.

Description

Technical Field

[0001] The invention belongs to the technical field of welding, and in particular relates to a fully automatic excavator chassis and rotary wheel welding device. Background Art

[0002] The fully automatic excavator chassis and slewing wheel welding device is a highly efficient and precise welding system that uses advanced technology. The welding device adopts a variety of technical features, such as flexible operation, high weld quality, stable welding efficiency, etc. Its operational flexibility is reflected in the design of the welding fixture. Through the ingenious combination of the base plate, positioning seat and clamping device, the slewing support of different models can be quickly positioned and fixed.

[0003] The existing fully automatic excavator chassis and rotary wheel welding device cannot change the welding position according to the welded product when in use, and the overall use effect is not good and the adaptability is relatively poor; the side protection effect of the welding device is relatively poor during welding, and there are safety hazards. Summary of the invention

[0004] In order to solve the problems raised in the above background technology, the present invention provides a fully automatic excavator chassis and rotary wheel welding device, which is convenient for positioning and fixing the excavator chassis and rotary wheel and for protecting the side of the welding device.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a fully automatic excavator chassis and slewing wheel welding device, comprising a base plate, a supporting leg is arranged at the lower end of the base plate, a welding workpiece positioning mechanism is arranged at the upper end of the base plate, and a side protection mechanism is arranged at the side of the base plate; the welding workpiece positioning mechanism comprises a slewing wheel positioning assembly, an excavator chassis positioning assembly, a bidirectional screw rod, a mounting plate, a motor and a nut block, a motor is arranged at the side of the base plate, a bidirectional screw rod is arranged at the output end of the motor, two groups of nut blocks are symmetrically arranged on the surface of the bidirectional screw rod, a mounting plate is arranged at the upper end of the nut block, an excavator chassis positioning assembly is arranged at the lower end of the side of the mounting plate, and a slewing wheel positioning assembly is arranged at the upper end of the side of the mounting plate.

[0006] Preferably, the welding workpiece positioning mechanism further comprises a guide rod and a guide block, a guide block is arranged on the lower side of the mounting plate and located inside the bottom plate, and a guide rod is arranged through the inside of the guide block.

[0007] Preferably, the excavator chassis positioning assembly includes a block, a center rod, a spring, a buffer pad and a positioning plate. A center rod is provided through the lower end of the side of the mounting plate, a block is provided at one end of the center rod, a positioning plate is provided at the other end of the center rod, a buffer pad is provided on the side of the positioning plate, and a spring is provided on the surface of the center rod located on the side of the positioning plate.

[0008] Preferably, the rotary wheel positioning assembly includes motor 2, a pinion, a large gear, a rotating shaft and a triangular clamp, motor 2 is arranged on the upper end of the side of the mounting plate, a pinion is arranged on the output end of motor 2, a large gear is arranged on the side of the pinion in meshing connection, a rotating shaft is arranged on the side of the large gear, and a triangular clamp is arranged on the other end of the rotating shaft.

[0009] Preferably, the connection between the rotating shaft and the mounting plate is rotatably connected via a bearing.

[0010] Preferably, the triangular clamp comprises a hydraulic rod, a pin shaft 1, a connecting arm, a pin shaft 2, a clamp, a pin shaft 3 and a tripod, a hydraulic rod is provided at the other end of the rotating shaft, a tripod is provided at the output end of the hydraulic rod, three groups of clamps are provided on the side of the tripod, the clamps and the tripod are rotatably connected via the pin shaft 3, a connecting arm is provided on the side of the hydraulic rod, the connecting arm and the hydraulic rod are rotatably connected via the pin shaft 1, and the center position of the clamp and the connecting arm are rotatably connected via the pin shaft 2.

[0011] Preferably, the side protection mechanism includes a bidirectional screw rod 2, a nut block 2, a connecting ear, a motor 3 and a protective plate. Four groups of connecting ears are arranged at the side corners of the bottom plate, a motor 3 is arranged on the side of one group of connecting ears, a bidirectional screw rod 2 is arranged at the output end of the motor 3, two groups of nut blocks 2 are symmetrically arranged on the surface of the bidirectional screw rod 2, and a protective plate is arranged on the upper end of the nut block 2.

[0012] Preferably, the side protection mechanism further comprises a slider and a slide rod, the sides of the other two groups of connecting ears are provided with a slide rod, the surface of the slide rod is sleeved with a slider, and the slider is fixedly connected to the protection plate by screws.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. The present invention is provided with a welding workpiece positioning mechanism, which can facilitate the positioning and fixing of the excavator chassis and the slewing wheel, so as to facilitate the welding of the excavator chassis and the slewing wheel by the welding device. In addition, the mechanism can adjust the distance between the two sets of mounting plates, so that it can adapt to the welding of workpieces of different sizes.

[0015] 2. The present invention provides a slewing wheel positioning assembly and an excavator chassis positioning assembly, which can respectively position and fix the slewing wheel and the excavator chassis so as to facilitate welding thereof, and the two are independent of each other, so the overall use effect is relatively better.

[0016] 3. The present invention provides a side protection mechanism, which can shield sparks generated during welding, thereby reducing safety issues generated during welding and ensuring the safety of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A perspective view of the present invention;

[0018] Figure 2 A three-dimensional diagram of the welding workpiece positioning mechanism of the present invention;

[0019] Figure 3 is a three-dimensional diagram of the rotary wheel positioning assembly of the present invention;

[0020] Figure 4 A three-dimensional diagram of the excavator chassis positioning assembly of the present invention;

[0021] Figure 5 A three-dimensional diagram of the triangular clamp of the present invention;

[0022] Figure 6 is a three-dimensional diagram of the side protection mechanism of the present invention;

[0023] In the figure: 1, bottom plate; 2, side protection mechanism; 21, slider; 22, slide bar; 23, two-way screw rod; 24, nut block two; 25, connecting ear; 26, motor three; 27, protection plate; 3, support leg; 4, welding workpiece positioning mechanism; 41, rotary wheel positioning assembly; 411, motor two; 412, small gear; 413, large gear; 414, rotating shaft; 415, triangular clamp; 4151, hydraulic rod; 4 152. Pin one; 4153. Connecting arm; 4154. Pin two; 4155. Clamp; 4156. Pin three; 4157. Tripod; 42. Excavator chassis positioning assembly; 421. Block; 422. Center rod; 423. Spring; 424. Buffer pad; 425. Positioning plate; 43. Guide rod; 44. Two-way screw one; 45. Guide block; 46. Mounting plate; 47. Motor one; 48. Nut block one. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] Example 1

[0026] See also Figure 1-6The present invention provides the following technical solutions: a fully automatic excavator chassis and slewing wheel welding device, comprising a base plate 1, a supporting leg 3 is arranged at the lower end of the base plate 1, a welding workpiece positioning mechanism 4 is arranged at the upper end of the base plate 1, and a side protection mechanism 2 is arranged on the side of the base plate 1; the welding workpiece positioning mechanism 4 comprises a slewing wheel positioning assembly 41, an excavator chassis positioning assembly 42, a bidirectional screw rod 44, a mounting plate 46, a motor 47 and a nut block 48, a motor 47 is arranged on the side of the base plate 1, a bidirectional screw rod 44 is arranged at the output end of the motor 47, two groups of nut blocks 48 are symmetrically arranged on the surface of the bidirectional screw rod 44, a mounting plate 46 is arranged on the upper end of the nut block 48, an excavator chassis positioning assembly 42 is arranged at the lower end of the side of the mounting plate 46, and a slewing wheel positioning assembly 41 is arranged at the upper end of the side of the mounting plate 46.

[0027] Specifically, the welding workpiece positioning mechanism 4 further includes a guide rod 43 and a guide block 45. The lower end side of the mounting plate 46 is located inside the bottom plate 1 and is provided with a guide block 45. The guide rod 43 is provided inside the guide block 45.

[0028] By adopting the above technical solution, when the mounting plate 46 slides, it will drive the guide block 45 to slide on the surface of the guide rod 43, thereby improving the stability of the mounting plate 46 during the sliding process.

[0029] Specifically, the excavator chassis positioning assembly 42 includes a block 421, a center rod 422, a spring 423, a buffer pad 424 and a positioning plate 425. The center rod 422 is provided through the lower end of the side of the mounting plate 46, one end of the center rod 422 is provided with a block 421, the other end of the center rod 422 is provided with a positioning plate 425, the side of the positioning plate 425 is provided with a buffer pad 424, the surface of the center rod 422 is located on the side of the positioning plate 425 and is sleeved with a spring 423.

[0030] By adopting the above technical solution, the motor 47 is turned on, and the motor 47 drives the bidirectional screw rod 44 to rotate through the output end. The rotation of the bidirectional screw rod 44 drives the two groups of nut blocks 48 to approach each other. The two groups of nut blocks 48 approach each other and drive the two groups of mounting plates 46 to approach each other. The two groups of mounting plates 46 approach each other and drive the two groups of positioning plates 425 to approach each other and fix the excavator chassis. At the same time, the spring 423 on the surface of the center rod 422 will be compressed, and the rebound force generated by the compression of the spring 423 will drive the positioning plate 425 to firmly fix the excavator chassis.

[0031] Specifically, the rotary wheel positioning assembly 41 includes a second motor 411, a pinion 412, a large gear 413, a rotating shaft 414 and a triangular clamp 415. The second motor 411 is arranged on the upper side of the mounting plate 46, the output end of the second motor 411 is arranged with a pinion 412, the side of the pinion 412 is meshingly connected with the large gear 413, the side of the large gear 413 is arranged with a rotating shaft 414, and the other end of the rotating shaft 414 is arranged with a triangular clamp 415.

[0032] By adopting the above technical solution, the rotating wheel is fixed by the triangular clamp 415, and the motor 2 411 is turned on. The motor 2 411 drives the small gear 412 to rotate through the output end, and the small gear 412 rotates to drive the large gear 413 to rotate, and the large gear 413 rotates to drive the triangular clamp 415 to rotate, thereby driving the rotating wheel to rotate so as to weld other parts thereof.

[0033] Specifically, the connection between the rotating shaft 414 and the mounting plate 46 is rotatably connected via a bearing.

[0034] By adopting the above technical solution, the arrangement of the structure can avoid the problem of gear meshing misalignment between the small gear 412 and the large gear 413.

[0035] Specifically, the triangular clamp 415 includes a hydraulic rod 4151, a pin 1 4152, a connecting arm 4153, a pin 2 4154, a clamp 4155, a pin 3 4156 and a tripod 4157. The other end of the rotating shaft 414 is provided with a hydraulic rod 4151, and the output end of the hydraulic rod 4151 is provided with a tripod 4157. The side of the tripod 4157 is provided with three groups of clamps 4155, and the clamps 4155 and the tripod 4157 are rotatably connected through the pin 3 4156. The side of the hydraulic rod 4151 is provided with a connecting arm 4153, and the connecting arm 4153 and the hydraulic rod 4151 are rotatably connected through the pin 1 4152. The center position of the clamp 4155 and the connecting arm 4153 are rotatably connected through the pin 2 4154.

[0036] By adopting the above technical solution, by opening the hydraulic rod 4151, the hydraulic rod 4151 drives the tripod 4157 to slide outward, and the tripod 4157 slides outward to cooperate with the pin shaft three 4156 to drive the clamping jaw 4155 to clamp the rotating wheel. When the clamping jaw 4155 rotates, it will rotate through the pin shaft two 4154 and the connecting arm 4153. When the connecting arm 4153 rotates, it will rotate through the pin shaft one 4152 and the hydraulic rod 4151, thereby realizing the clamping work of the rotating wheel.

[0037] When the present embodiment is in use, the motor 47 is turned on, and the motor 47 drives the bidirectional screw rod 44 to rotate through the output end, and the bidirectional screw rod 44 rotates to drive the two groups of nut blocks 48 to approach each other, and the two groups of nut blocks 48 to approach each other drive the two groups of mounting plates 46 to approach each other, and the two groups of mounting plates 46 to approach each other drive the two groups of positioning plates 425 to approach each other and fix the excavator chassis, and at the same time, the spring 423 on the surface of the center rod 422 will be compressed, and the rebound force generated by the compression of the spring 423 will drive the positioning plate 425 to firmly fix the excavator chassis, and by opening the hydraulic rod 4151, the hydraulic rod 4151 drives the tripod 4157 to The tripod 4157 slides outward to cooperate with the pin shaft three 4156 to drive the clamping jaw 4155 to clamp the rotary wheel. When the clamping jaw 4155 rotates, it will rotate through the pin shaft two 4154 and the connecting arm 4153. The rotation of the connecting arm 4153 will rotate through the pin shaft one 4152 and the hydraulic rod 4151, thereby realizing the clamping work of the rotary wheel. Turn on the motor two 411, and the motor two 411 drives the small gear 412 to rotate through the output end. The rotation of the small gear 412 drives the large gear 413 to rotate. The rotation of the large gear 413 drives the triangular clamping jaw 415 to rotate, thereby driving the rotary wheel to rotate, so as to weld other parts of it.

[0038] Example 2

[0039] The difference between this embodiment and the embodiment 1 is that the side protection mechanism 2 includes a two-way screw rod 23, a two-way nut block 24, a connecting ear 25, a three-way motor 26 and a protection plate 27. Four groups of connecting ears 25 are arranged at the side corners of the bottom plate 1. The side of one group of connecting ears 25 is provided with a three-way screw rod 23. The output end of the three-way motor 26 is provided with a two-way screw rod 23. Two groups of two-way nut blocks 24 are symmetrically arranged on the surface of the two-way screw rod 23. The upper end of the two-way nut block 24 is provided with a protection plate 27.

[0040] By adopting the above technical solution, when welding the workpiece, the motor three 26 on the side of the connecting ear 25 is turned on, and the motor three 26 drives the two-way screw rod 23 to rotate through the output end. The rotation of the two-way screw rod 23 drives the two groups of nut blocks 24 to approach each other. The two groups of nut blocks 24 approach each other and drive the two groups of protective plates 27 to approach each other, thereby protecting the welding device.

[0041] Specifically, the side protection mechanism 2 further includes a slider 21 and a slider rod 22. The other two sets of connecting ears 25 are provided with slider rods 22 on their sides. The slider 21 is sleeved on the surface of the slider rod 22. The slider 21 is fixedly connected to the protection plate 27 by screws.

[0042] By adopting the above technical solution, when the protective plate 27 slides, it will drive the slider 21 to slide on the surface of the slide rod 22, thereby improving the stability of the protective plate 27 during the sliding process.

[0043] When this embodiment is in use, when welding the workpiece, the motor three 26 on the side of the connecting ear 25 is turned on, and the motor three 26 drives the two-way screw rod 23 to rotate through the output end. The rotation of the two-way screw rod 23 drives the two groups of nut blocks 24 to approach each other. The two groups of nut blocks 24 approach each other and drive the two groups of protective plates 27 to approach each other, thereby protecting the welding device. When the protective plate 27 slides, it will drive the slider 21 to slide on the surface of the slide rod 22, thereby improving the stability of the sliding process of the protective plate 27.

[0044] The working principle and use process of the present invention are as follows: when the present invention is in use, the motor 47 is turned on, and the motor 47 drives the bidirectional screw rod 44 to rotate through the output end, and the rotation of the bidirectional screw rod 44 drives the two groups of nut blocks 48 to approach each other, and the two groups of nut blocks 48 to approach each other drive the two groups of mounting plates 46 to approach each other, and the two groups of mounting plates 46 to approach each other drive the two groups of positioning plates 425 to approach each other and fix the excavator chassis, and at the same time, the spring 423 on the surface of the center rod 422 will be compressed, and the rebound force generated by the compression of the spring 423 will drive the positioning plate 425 to firmly fix the excavator chassis, and by opening the hydraulic rod 4151, the hydraulic rod 4151 drives the tripod 4157 to slide outward, and the tripod 4157 slides outward to cooperate with the pin shaft three 4156 to drive the clamping claw 4155 to clamp the rotary wheel, and when the clamping claw 4155 rotates, it will rotate with the connecting arm 4153 through the pin shaft two 4154, and the connecting arm The rotation of 4153 will rotate through the pin shaft 1 4152 and the hydraulic rod 4151, thereby realizing the clamping work of the rotary wheel, turning on the motor 2 411, and the motor 2 411 drives the small gear 412 to rotate through the output end, and the rotation of the small gear 412 drives the large gear 413 to rotate, and the rotation of the large gear 413 drives the triangular clamp 415 to rotate, thereby driving the rotary wheel to rotate, so as to weld other parts of the workpiece; when welding the workpiece, turn on the motor 3 26 on the side of the connecting ear 25, and the motor 3 26 drives the two-way screw rod 23 to rotate through the output end, and the rotation of the two-way screw rod 23 drives the two groups of nut blocks 24 to approach each other, and the two groups of nut blocks 24 to approach each other drive the two groups of protective plates 27 to approach each other, thereby protecting the welding device, and when the protective plate 27 slides, it will drive the slider 21 to slide on the surface of the slide rod 22, thereby improving the stability of the sliding process of the protective plate 27.

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fully automatic excavator chassis and rotary wheel welding device, comprising a base plate (1), wherein a support leg (3) is provided at the lower end of the base plate (1), characterized in that: A welding workpiece positioning mechanism (4) is arranged at the upper end of the base plate (1), and a side protection mechanism (2) is arranged at the side of the base plate (1); the welding workpiece positioning mechanism (4) comprises a slewing wheel positioning assembly (41), an excavator chassis positioning assembly (42), a bidirectional screw rod (44), a mounting plate (46), a motor (47) and a nut block (48); a motor (47) is arranged at the side of the base plate (1), a bidirectional screw rod (44) is arranged at the output end of the motor (47), two groups of nut blocks (48) are symmetrically arranged on the surface of the bidirectional screw rod (44), a mounting plate (46) is arranged at the upper end of the nut block (48), an excavator chassis positioning assembly (42) is arranged at the lower end of the side of the mounting plate (46), and a slewing wheel positioning assembly (41) is arranged at the upper end of the side of the mounting plate (46).

2. A fully automatic excavator chassis and rotary wheel welding device according to claim 1, characterized in that: The welding workpiece positioning mechanism (4) further comprises a guide rod (43) and a guide block (45); the lower end side of the mounting plate (46) is provided with a guide block (45) inside the bottom plate (1); and the guide rod (43) is provided inside the guide block (45).

3. A fully automatic excavator chassis and rotary wheel welding device according to claim 1, characterized in that: The excavator chassis positioning assembly (42) comprises a block (421), a center rod (422), a spring (423), a buffer pad (424) and a positioning plate (425); a center rod (422) is provided through the lower end of the side of the mounting plate (46); a block (421) is provided at one end of the center rod (422); a positioning plate (425) is provided at the other end of the center rod (422); a buffer pad (424) is provided on the side of the positioning plate (425); and a spring (423) is provided on the surface of the center rod (422) located on the side of the positioning plate (425).

4. A fully automatic excavator chassis and rotary wheel welding device according to claim 1, characterized in that: The rotary wheel positioning assembly (41) comprises a second motor (411), a pinion (412), a large gear (413), a rotating shaft (414) and a triangular clamp (415); the second motor (411) is arranged at the upper end of the side of the mounting plate (46); the output end of the second motor (411) is arranged with a pinion (412); the side of the pinion (412) is meshingly connected with the large gear (413); the side of the large gear (413) is arranged with a rotating shaft (414); and the other end of the rotating shaft (414) is arranged with a triangular clamp (415).

5. A fully automatic excavator chassis and rotary wheel welding device according to claim 4, characterized in that: The connection between the rotating shaft (414) and the mounting plate (46) is rotatably connected via a bearing.

6. A fully automatic excavator chassis and rotary wheel welding device according to claim 4, characterized in that: The triangular clamp (415) comprises a hydraulic rod (4151), a first pin (4152), a connecting arm (4153), a second pin (4154), a clamp (4155), a third pin (4156) and a tripod (4157). The other end of the rotating shaft (414) is provided with a hydraulic rod (4151), the output end of the hydraulic rod (4151) is provided with a tripod (4157), and the side of the tripod (4157) is provided with three A clamping jaw (4155) is provided, the clamping jaw (4155) and the tripod (4157) are rotatably connected via a pin shaft 3 (4156), a connecting arm (4153) is provided on the side of the hydraulic rod (4151), the connecting arm (4153) and the hydraulic rod (4151) are rotatably connected via a pin shaft 1 (4152), and the center position of the clamping jaw (4155) and the connecting arm (4153) are rotatably connected via a pin shaft 2 (4154).

7. A fully automatic excavator chassis and rotary wheel welding device according to claim 1, characterized in that: The side protection mechanism (2) comprises a bidirectional screw rod (23), a nut block (24), a connecting ear (25), a motor (26) and a protection plate (27); four groups of connecting ears (25) are arranged at the side corners of the bottom plate (1); a motor (26) is arranged on the side of one group of connecting ears (25); a bidirectional screw rod (23) is arranged at the output end of the motor (26); two groups of nut blocks (24) are symmetrically arranged on the surface of the bidirectional screw rod (23); and a protection plate (27) is arranged at the upper end of the nut block (24).

8. A fully automatic excavator chassis and rotary wheel welding device according to claim 7, characterized in that: The side protection mechanism (2) further comprises a slider (21) and a slide rod (22), the sides of the other two groups of connecting ears (25) are provided with a slide rod (22), the surface of the slide rod (22) is sleeved with the slider (21), and the slider (21) is fixedly connected to the protection plate (27) by screws.

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